Muse, B. ., Ndirangu, C. ., & Imonje, . R. . (2018). Determinants of Implementing Chemistry Curriculum in Arid and Semi-Arid Lands: A Case of Secondary Schools in Garissa, Kenya. International Journal of Learning, Teaching and Educational Research, 17(12), 99–115. Retrieved from http://ijlter.net/index.php/ijlter/article/view/614